help with learning

krish2487 · 14th December 2008, 03:43 PM

hi.
i am new to this community.
i am a electrical student by profession specializing in instrumentation and MCUs.
however, i have long since i wanted to get into building amplifiers since i am a audio enthusiast.
but i have no idea how to get about.
i realise that this is probably not the right group to post it but in this forum it seemed like the most likely place to ask..

i would really appreciate it if the more experienced members would help me out in learning the art of designing, debugging and developing a complete amp..

Mooly · 14th December 2008, 04:39 PM

Hi Krish,
Start small

Maybe a chip amp to begin. There is nothing like actually getting something to work for the first time. Electronics is a vast subject, sure you can make an amp, but it sounds like you want to do more than that.
Do you have any electronics experience ? You will need some basic test equipment. You really need to be able to make your own PCB's as well, and all this takes time, even professional electronics techs are learning all the time--we never stop learning.

djoffe · 14th December 2008, 07:49 PM

Get a copy of this book and keep it with you...it has all the answers you will need...Depending upon your background, you may find you need some preparation before this book, but it is very well written.
Audio Power Amplifier Design Handbook, Fourth Edition by Douglas Self (Paperback - Sep 5, 2006)

krish2487 · 15th December 2008, 02:03 AM

i do have hands on experience with working with electronics.
designing my ckts, PCB artwork etc but audio amp designing was out of my realm..

thank you for your help.

krish2487 · 15th December 2008, 02:04 AM

@djoffe
thank you for the suggestion.
booked my copy on amazon.
i ll probably receive the book in a couple of days..

jaycee · 15th December 2008, 03:05 AM

One area you might want to look at is operational amplifiers. Most modern power amps are basically discrete op-amps. The LM3886 chip amp often suggested is basically a power chip amp. You'll learn a lot by getting familiar with opamps.

andy_c · 15th December 2008, 03:17 AM

Good point. This old, but still relevant article by Solomon is a very good reference for what's going on in the classical (non-current-feedback) op-amp.

ostripper · 15th December 2008, 03:23 AM

Quote:

By jaycee- You'll learn a lot by getting familiar with opamps

I "steal" all sorts of ideas from op-amps ...current sources,
compensation,etc. All are port gracefully to large power amps.
OS

lineup · 15th December 2008, 06:01 AM

Quote:

Originally posted by andy_c
This old, but still relevant article by Solomon
is a very good reference for what's going on in the classical (non-current-feedback) op-amp.

papers from 1974
could them be something for the modern era

34 years old ... but still younger than me, Lineup

krish2487 · 15th December 2008, 06:03 PM

thank you..

it has been pretty helpful..

not that i ve achieved much and built my amps yet...
but i ve managed to understand the design of of amp ckts..
thank you all..

14th December 2008, 03:43 PM	#1
krish2487 diyAudio Member Join Date: Dec 2008	help with learning hi. i am new to this community. i am a electrical student by profession specializing in instrumentation and MCUs. however, i have long since i wanted to get into building amplifiers since i am a audio enthusiast. but i have no idea how to get about. i realise that this is probably not the right group to post it but in this forum it seemed like the most likely place to ask.. i would really appreciate it if the more experienced members would help me out in learning the art of designing, debugging and developing a complete amp..

14th December 2008, 07:49 PM	#3
djoffe diyAudio Member Join Date: Oct 2008	this excellent book will help Get a copy of this book and keep it with you...it has all the answers you will need...Depending upon your background, you may find you need some preparation before this book, but it is very well written. Audio Power Amplifier Design Handbook, Fourth Edition by Douglas Self (Paperback - Sep 5, 2006)

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14th December 2008, 04:39 PM	#2
Mooly diyAudio Moderator Join Date: Sep 2007	Hi Krish, Start small Maybe a chip amp to begin. There is nothing like actually getting something to work for the first time. Electronics is a vast subject, sure you can make an amp, but it sounds like you want to do more than that. Do you have any electronics experience ? You will need some basic test equipment. You really need to be able to make your own PCB's as well, and all this takes time, even professional electronics techs are learning all the time--we never stop learning.

15th December 2008, 02:03 AM	#4
krish2487 diyAudio Member Join Date: Dec 2008	i do have hands on experience with working with electronics. designing my ckts, PCB artwork etc but audio amp designing was out of my realm.. thank you for your help.

15th December 2008, 02:04 AM	#5
krish2487 diyAudio Member Join Date: Dec 2008	@djoffe thank you for the suggestion. booked my copy on amazon. i ll probably receive the book in a couple of days..

15th December 2008, 03:05 AM	#6
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	One area you might want to look at is operational amplifiers. Most modern power amps are basically discrete op-amps. The LM3886 chip amp often suggested is basically a power chip amp. You'll learn a lot by getting familiar with opamps.

15th December 2008, 03:17 AM	#7
andy_c Banned Join Date: Apr 2003	Good point. This old, but still relevant article by Solomon is a very good reference for what's going on in the classical (non-current-feedback) op-amp.

15th December 2008, 06:03 PM	#10
krish2487 diyAudio Member Join Date: Dec 2008	thank you.. it has been pretty helpful.. not that i ve achieved much and built my amps yet... but i ve managed to understand the design of of amp ckts.. thank you all..